Turbine Silver

Jet Black

Front: Formula Cura, 2-piston, Hydraulic disc brake, Rear: Formula Cura, 2-piston, Hydraulic disc brake

RockShox Recon Silver TK, Coil, 120 mm, tapered

27.5&quot;, Alloy 6061, Integrated battery

GASGAS Riser 31.8 mm, 720 mm, Sweep: 6 °, Rise: 15 mm

Front: Rim: Mach 1 TRAXX, With eyelets, Tubeless ready / Hub: GASGAS DA210F, 6-hole, 15x110 mm, Rear: Rim: Mach 1 TRAXX, With eyelets, Tubeless ready / Hub: GASGAS DA210R, 6-hole, 12x148 mm

Continental Cross King, 58-584, 27.5 x 2.3

The TRA 4 is a hardtail eMTB that’s at home on gentle trail centers and flowing blue grade trails. Great for beginners, the aluminum frame is equipped with a 120mm RockShox fork to track through the rough stuff with ease. Reliable and dependable, the mid-mounted Yamaha PW-S2 motor aids traction when cornering, while the 630Wh battery goes the distance. The TRA 4 is available in both 27.5” and 29” wheel sizes, plus two colorways.

GASGAS TRA 4

A 27.5″ aluminum frame hardtail trail e-bike with upper mid-range components.

Frame	Aluminum
Suspension	Hardtail, 120mm
Fork	RockShox Recon Silver TK
Wheels	27.5″ Aluminum
Drivetrain	1 × 9
Groupset	Tektro EDRIVE 9
Motor	Yamaha 250W 70Nm mid-drive
Battery	630Wh
Brakes	Formula Cura Hydraulic Disc

Frame	27.5", Alloy 6061, Integrated battery Colors: Turbine Silver; Jet Black
Fork	RockShox Recon Silver TK, Coil, 120 mm, tapered Travel: 120mm Spring Type: Coil
Headset	GASGAS ZS44/ZS56
Stem	GASGAS 31,8, 7 °, Ahead
Handlebar	GASGAS Riser 31.8 mm, 720 mm, Sweep: 6 °, Rise: 15 mm
Saddle	GASGAS MTB
Seatpost	GASGAS, 31.6 mm, 350 mm, Patent Type: Rigid
Pedals	GASGAS, aluminum
Grips	GASGAS MTB, Lock-on grips

Rear Derailleur	Tektro RD-M350, 9-S
Crank	GASGAS, 38 T
Shifters	Tektro SL-M350R
Cassette	Tektro CS-M350, 11-46 T
Chain	KMC e9S
Chain Guide	Direct Mount
Brakes	Front: Formula Cura, 2-piston, Hydraulic disc brake, Rear: Formula Cura, 2-piston, Hydraulic disc brake Type: Formula Cura Hydraulic Disc

Rims	Front: Rim: Mach 1 TRAXX, With eyelets, Tubeless ready / Hub: GASGAS DA210F, 6-hole, 15x110 mm, Rear: Rim: Mach 1 TRAXX, With eyelets, Tubeless ready / Hub: GASGAS DA210R, 6-hole, 12x148 mm
Tires	Continental Cross King, 58-584, 27.5 x 2.3
Disc Rotors	Formula, 180 mm, 6-hole

Motor	Yamaha PW-ST, 250 W, 70 Nm
Battery	Simplo, 630 Wh, 36 V
Display	Yamaha Display A, LCD-Display, Micro-USB
Charger	Simplo rapid charger, 4 A

2025 GASGASTRA 4

2025 GASGAS
TRA 4